<main class="inline-block-center">
<div>
I'm an element that is block-like with my siblings and we're centered in a row.
</div>
<div>
I'm an element that is block-like with my siblings and we're centered in a row. I have more content in me than my siblings do.
</div>
<div>
I'm an element that is block-like with my siblings and we're centered in a row.
</div>
</main>
<main class="flex-center">
<div>
I'm an element that is block-like with my siblings and we're centered in a row.
</div>
<div>
I'm an element that is block-like with my siblings and we're centered in a row. I have more content in me than my siblings do.
</div>
<div>
I'm an element that is block-like with my siblings and we're centered in a row.
</div>
</main>